meters , board layout , SAS, Pcie, Sata, Python, Debugging, Scope, Perl, Network Analyzer, Oscilloscopes, 800G, 400G, Diagnostics software tools, PHY protocol, Logic protocol analyzers, BERT, Hardware analyzers, Validation, SERDES equalization technique, High-Speed IO testing, SERDES modeling techniques, 1.6T interface, Board design, IEEE 802.3